The main purpose of Cisco IOS Security is for our data center. It connects each node and user to the network.
Senior Presale Agent
Beneficial posturing, scales well, and helpful support
Pros and Cons
- "The most valuable feature of Cisco IOS Security is posturing."
- "The scalability of Cisco IOS Security is good, and I can increase and decrease elements when needed for approximately 45,000 people who can use the solution, including about 1,000 IT managers, technicians, and other users who directly use it."
- "Cisco IOS Security could improve by having more compatibility with other Cisco solutions."
- "The whole process can be complex."
What is our primary use case?
What is most valuable?
The most valuable feature of Cisco IOS Security is posturing.
What needs improvement?
Cisco IOS Security could improve by having more compatibility with other Cisco solutions.
For how long have I used the solution?
I have been using Cisco IOS Security for approximately three years.
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Cisco IOS Security
November 2026
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What do I think about the stability of the solution?
Cisco IOS Security is a stable solution.
What do I think about the scalability of the solution?
The scalability of Cisco IOS Security is good. I can increase and decrease elements when needed.
We have approximately 45,000 people that can use the solution. Additionally, We have approximately 1,000 IT managers, technicians, and other users who directly use this solution.
How are customer service and support?
The support from Cisco IOS Security was very helpful.
I rate the support from Cisco IOS Security a four out of ten.
Which solution did I use previously and why did I switch?
I previously used another similar solution.
How was the initial setup?
I can do all the implementation of the solutions through the Cisco DNA Center. I can manage the Cisco IOS Security configuration. The whole process can be complex. Additionally, when we cannot connect to the internet we need to do manual configuration.
The full setup can take a couple of hours. However, initially, it took to use a couple of weeks.
What about the implementation team?
We did the implementation of Cisco IOS Security in-house.
We have two service engineers that are involved in the deployment and maintenance of the solution. They have the appropriate training needed to support the solution.
What other advice do I have?
I rate Cisco IOS Security an eight out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Network Architect at Syriatel Mobile Telecom
Secure, cost effective, and easy to install
Pros and Cons
- "It is more stable and less expensive than other firewalls."
- "While Cisco IOS Security is stable and scalable, I would like to see it improved to be even better."
What is our primary use case?
We can use iOS security for a variety of security features. We can use it to run DPM. We run encrypted data and can use it for zone-based firewalls, to a zone-based firewall.
I use VPN solutions such as site-to-site or user-site VPN, and some do not require a firewall.
What is most valuable?
It is less expensive than alternative firewalls.
What needs improvement?
While Cisco IOS Security is stable and scalable, I would like to see it improved to be even better.
For how long have I used the solution?
I have been working with Cisco IOS Security for three months.
I use version 12.4 and I use 15 and above for the router.
What do I think about the stability of the solution?
Cisco IOS Security is very stable.
What do I think about the scalability of the solution?
Cisco IOS Security is a scalable solution.
We have approximately 50 users.
How are customer service and support?
We have not contacted technical support.
I don't have any critical issues, and I haven't had any open technical tickets with support. Everything is fine, but I work in security with multi-media solutions. We haven't had any problems.
How was the initial setup?
The installation is straightforward. It's easy, we didn't have any problems with the installation of Cisco IOS Security.
I have three or four technical teams to help me work on publishing.
What's my experience with pricing, setup cost, and licensing?
Cisco IOS Security requires a license.
With Cisco, we have a variety of licenses. They have smart licenses that can be provided for one year, two years, three years, five years, and seven years. Alternatively, they have perpetual licenses available. I am working with a perpetual license, but not a smart license.
What other advice do I have?
Before we can use any security feature on the Cisco router, we must first purchase an iOS security license.
Yes, I would recommend this solution. It is more stable and less expensive than other firewalls. In some cases, it saves money for the project or the companies that work with it.
I would rate Cisco IOS Security an eight out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
Cisco IOS Security
November 2026
Learn what your peers think about Cisco IOS Security. Get advice and tips from experienced pros sharing their opinions. Updated: November 2026.
921,028 professionals have used our research since 2012.
Sr. Security and Enterprise Architect at a security firm with 11-50 employees
Great security and automation with helpful technical assistance
Pros and Cons
- "Cisco Technical Assistance Center works on a follow-the-sun concept and gives real 24x7 customer support, which is a great advantage when you have a service contract with them."
- "The software offers plenty of security solutions that can work in the most sophisticated enterprise but also works well for small/mid-range enterprises."
- "There are the usual bugs that are inherent to some software upgrades. Sometimes this provides some unexpected issues, however, it happens with all brands all the time."
- "Some additional features could be improved. For example, the licensing for DNA environments could be better."
What is our primary use case?
The solution is used for enterprise and NAC connectivity.
This kind of technology has the advantage of being very flexible to any size organization. It is a cornerstone as a part of the basic network infrastructure.
It can be used as a simple switch to connect your network devices with security features embedded - such as port security, for example. This allows companies to limit to a fixed address per port, avoiding external or malicious assets for accessing the network.
For example, if you have a retail business, and you have a lot of small stores spread nationwide, you just need to connect some cameras and sales points to the network. iOS security solutions allow you to have a secure LAN and you could add a secure WAN connection through your Internet provider with LTE links as backups. You can set up on-demand VPN connections from store to store for voice/video calls, or do inventory queries direct to the HQ database.
How has it helped my organization?
As a Cisco partner/reseller, security has been a concern for many years. Cisco has a security concept that begins right when you try to connect to the network. Security is a complete system and is not just put on security devices at the perimeter or between tiers inside a data center.
iOS on routers is a mature solution, allowing easy setup of a traditional ISAKMP V1 or V2 VPN, and a very mature proprietary VPN flavor called DMVPN. DMVPN allows on-demand VPN establishment with minimal setup configuration and creates a pseudo full mesh avoiding bottlenecks.
Cisco Technical Assistance Center works on a follow-the-sun concept and gives real 24x7 customer support, which is a great advantage when you have a service contract with them.
What is most valuable?
The best features include the Auto Secure script, port security, spanning-tree root and loop guard, 802.1x, DMVPN, GET VPN, SD-Access, and Secure SD-WAN.
The software offers plenty of security solutions that can work in the most sophisticated enterprise but also works well for small/mid-range enterprises.
A simple switch is able to run basic security as port security, limiting the MAC addresses allowed on a port, or by running a script you can set up ACL and some control plane policies to protect control and management planes and basic DoS protection.
The same software is able to work with sophisticated security options going from the basic 802.1x to MACSEC, NAC, and trustsec, and can be integrated with automation tools in order to do auto onboarding tasks (for wired devices), profiling, and more interesting security tasks.
It allows for easy traditional ISAKMP V1 or V2 VPN setups and has a very mature proprietary VPN flavor called DMVPN. DMVPN allows on-demand VPN establishment with minimal setup configuration involved and creates a pseudo full mesh (avoiding bottlenecks as a hub-spoke topology does). Dynamic VPN establishment allows spoke-to-spoke traffic flow on-demand, optimizing VoIP/SIP calls setting up direct tunnels among spokes, reducing latency compared with a hub/spoke topology.
Switch and router iOS can be automated and orchestrated with secure SD-WAN and SD-Access Cisco solutions. Having the iOS software is relevant for small and large enterprises; it works fine for all size networks.
What needs improvement?
There are the usual bugs that are inherent to some software upgrades. Sometimes this provides some unexpected issues, however, it happens with all brands all the time.
Some additional features could be improved. For example, the licensing for DNA environments could be better. In some countries, the end-user does not want to go to orchestration/automation environments. They just want to have a small network for their small budget and they never will go to these environments. They consider it unfair that they have to pay for a license/subscription that will never be used.
For how long have I used the solution?
I've used the solution for ten or more years.
What do I think about the stability of the solution?
It is very stable.
What do I think about the scalability of the solution?
The product is very scalable.
How are customer service and support?
Technical support is great.
How would you rate customer service and support?
Positive
Which solution did I use previously and why did I switch?
My customers have used other brands that just gave connectivity and did not offer security over LAN switches. The VPN scheme was limited to site-to-site over hub-and-spoke topologies.
How was the initial setup?
The initial setup is straightforward.
What about the implementation team?
We are the vendor team that handles implementations.
What's my experience with pricing, setup cost, and licensing?
Cisco is not a cost-effective brand, however, in the end, you get what you pay for. Regarding licensing, some customers will not use automation/orchestration environments and do not like to pay a subscription for something they will never use.
Which deployment model are you using for this solution?
Hybrid Cloud
Disclosure: My company has a business relationship with this vendor other than being a customer. I have 20+ years of experience working on cisco partners, but I do have Cisco Infrastruchture on my own company and the enunciated solutions are currently running as if I were another more customer too.
Managing Director at a computer software company with 51-200 employees
A mature product with good integration capabilities, however, it needs to be more affordable
Pros and Cons
- "Cisco has always been a premium product. There's a lot of other entry-level solutions. This is more robust."
- "The solution's most valuable aspect is that it is extremely integrated, basically coming with firewall features including IPS, URL filtering, malware, et cetera, offering a good mix of robust, premium features that you can always expand with additional modules as needed."
- "The company needs to make its solution more affordable to make it more accessible to larger markets. Otherwise, it's seen as an enterprise-level solution that small or medium-sized organizations can't afford and therefore they won't even look at it."
- "The solution's costs are quite high. It's a turn-off in terms of actually using it."
What is most valuable?
The product is quite mature. Cisco is well known within the industry.
The solution's most valuable aspect is that it is extremely integrated. The product basically comes with the firewall features including IPS, URL filtering, malware, et cetera. The integrated features are great.
The functionalities of the product are pretty good.
Cisco has always been a premium product. There's a lot of other entry-level solutions. This is more robust.
The solution offers a good mix of features. You can always add more modules as you need to if you need even more features.
What needs improvement?
The pricing of the solution can be improved. It's not cheap. It's quite expensive.
The company needs to make its solution more affordable to make it more accessible to larger markets. Otherwise, it's seen as an enterprise-level solution that small or medium-sized organizations can't afford and therefore they won't even look at it.
For how long have I used the solution?
I've been using the solution for quite a long time. It's been ten or 15 years. I have well over a decade of experience under my belt.
What do I think about the stability of the solution?
The solution is stable. We find Cisco to be very reliable. It doesn't crash or freeze. There aren't bugs or glitches that disrupt its performance. It's good. There's never been an issue.
What do I think about the scalability of the solution?
The solution can scale. It's designed more as an enterprise-level solution, so it's good for larger companies.
How are customer service and technical support?
The customer support is great. We're quite satisfied with the level of service Cisco provides. They're knowledgeable and responsive.
Overall, we find that they have the best technical support in the business. Their support is quite competent in terms of their technical skills, more so than other competitors. If you face any issues, you can call them at any time and get the answers you need to resolve whatever is going on.
Which solution did I use previously and why did I switch?
I've used a variety of other solutions. I've used Check Point, Palo Alto, and Juniper as well.
We primarily like Cisco due to the fact that their technical support is great. By far, it's the best I've ever seen.
How was the initial setup?
The solution's initial setup is very straightforward. It's not complex at all.
What's my experience with pricing, setup cost, and licensing?
The solution's costs are quite high. It's a turn-off in terms of actually using it. It's more of an enterprise-level solution. It's not ideal for smaller organizations as the cost to run it would be out of their budgeting capabilities.
What other advice do I have?
We use a few different Cisco solutions.
We're a Cisco partner. We have a business relationship with the company.
We're dealing with the latest version of this particular solution.
I'd rate the solution seven out of ten.
The value for money it should be there. Which means good features, good functioning things are there, but they need to make it more affordable for big market. If they were able to price the solution to make it more affordable for more clients that may not be enterprise-level, they've have a bigger footprint.
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Pre-Sales at a computer software company with 501-1,000 employees
User-friendly and straightforward, with responsive technical support, but performance and integration could be improved
Pros and Cons
- "Cisco IOS Security has many good features, but compared to other solutions, it has a more user-friendly interface with steps to apply and manage rules. Another good part of the solution is that it's more straightforward."
- "An area for improvement in Cisco IOS Security is the performance because it's not as stable sometimes. There's also some latency in the solution, which could be improved. Cisco IOS Security integrates with other solutions, but you'll encounter many errors after integration, so this is another area for improvement. I'd like to see enhanced performance and a simplified setup in the next version of Cisco IOS Security."
- "An area for improvement in Cisco IOS Security is the performance because it's not as stable sometimes."
What is most valuable?
Cisco IOS Security has many good features, but compared to other solutions, it has a more user-friendly interface with steps to apply and manage rules. Another good part of the solution is that it's more straightforward.
What needs improvement?
An area for improvement in Cisco IOS Security is the performance because it's not as stable sometimes. There's also some latency in the solution, which could be improved. Cisco IOS Security integrates with other solutions, but you'll encounter many errors after integration, so this is another area for improvement.
I'd like to see enhanced performance and a simplified setup in the next version of Cisco IOS Security.
For how long have I used the solution?
I've been working with Cisco IOS Security for more than five years.
What do I think about the stability of the solution?
Cisco IOS Security isn't as stable.
What do I think about the scalability of the solution?
Cisco IOS Security isn't as scalable, but it's okay. It's suitable for enterprise companies.
How are customer service and support?
The technical support for Cisco IOS Security is very good. The support team responds every time.
How was the initial setup?
Setting up Cisco IOS Security wasn't very easy because it's not a standalone solution. The setup requires merging rules and integration with other solutions, which could take some time.
What's my experience with pricing, setup cost, and licensing?
The pricing for Cisco IOS Security is reasonable compared to other Cisco products.
What other advice do I have?
I'm working with Cisco products such as firewalls, ISE, routers, data centers, FTD, and most of the Cisco technologies. I have experience with Cisco IOS Security as well.
My company is a partner and reseller of Cisco products.
My customers, particularly enterprise customers, use Cisco IOS Security.
My advice to others looking into implementing Cisco IOS Security is to do a POC first. It would help to be careful about performance, latency, and management issues with Cisco IOS Security.
I'd rate Cisco IOS Security as seven out of ten.
Disclosure: My company has a business relationship with this vendor other than being a customer. Reseller
Director at Nam Truong Son
Plenty of functionality, reliable, and good interface
Pros and Cons
- "The most valuable features of Cisco IOS Security are the plenty of functionality it provides, many people are IT certified in the usage, and the user interface is good."
- "Cisco IOS Security could improve its security features. There are competitors that have some additional security features, such as Fortinet FortiGate. Additionally, there should be better synchronization with Cisco IOS Security and other vendors, and improved AI features would be beneficial."
What is most valuable?
The most valuable features of Cisco IOS Security are the plenty of functionality it provides, many people are IT certified the usage, and the user interface is good.
What needs improvement?
Cisco IOS Security could improve its security features. There are competitors that have some additional security features, such as Fortinet FortiGate. Additionally, there should be better synchronization with Cisco IOS Security and other vendors, and improved AI features would be beneficial.
For how long have I used the solution?
I have been using Cisco IOS Security for over 20 years.
What do I think about the stability of the solution?
Cisco IOS Security is stable.
What do I think about the scalability of the solution?
The scalability of Cisco IOS Security is good.
How are customer service and support?
The technical support from Cisco IOS Security is of an average level. They had some difficulties.
I rate the support from Cisco IOS Security a four out of five.
What's my experience with pricing, setup cost, and licensing?
Cisco IOS Security price could be reduced, it is more expensive than many of the other solutions, such as Sophos and Fortinet FortiGate.
What other advice do I have?
This solution has some advantages over competitors, but it has weaknesses too.
I rate Cisco IOS Security an eight out of ten.
Disclosure: My company has a business relationship with this vendor other than being a customer. Reseller
Cyber Security Engineer at a tech company with 51-200 employees
Easy to install and good technical support on offer but could be easier to use
Pros and Cons
- "The product is easy to use."
- "Cisco technical support is the best in the world."
- "There could be a bit more functions on offer that could make it easier to use."
- "It's a good device yet it's not a market leader. There are better options for customers to choose from."
What is our primary use case?
We primarily use the product as a security solution within our company.
What is most valuable?
Overall, the devices are very good and reliable.
The product is easy to use.
It's quite a stable solution.
The installation process is easy.
Technical support has always been very good.
What needs improvement?
It's a good device yet it's not a market leader. There are better options for customers to choose from.
There could be a bit more functions on offer that could make it easier to use.
For how long have I used the solution?
We have used the solution for four years. It's been a while. We have a bit of experience with it at this point.
What do I think about the stability of the solution?
The stability is great and the performance is good. It's reliable. There are no bugs or glitches. it doesn't crash or freeze.
What do I think about the scalability of the solution?
We have about 2,000 users on the product currently.
How are customer service and technical support?
Cisco technical support is the best in the world. They are very helpful and responsive and we are always satisfied with the amount of assistance we get.
Which solution did I use previously and why did I switch?
Previous to this solution, we did not use anything else.
How was the initial setup?
It's straightforward to set up. The product isn't too complex in terms of implementation. It takes about two days to deploy everything.
You only need two people for installation. We have two technicians for the installation of the product and two engineers for managing the product.
What about the implementation team?
We handle the implementation ourselves in-house. We don't need outside consultants or integrators.
What's my experience with pricing, setup cost, and licensing?
We pay a yearly subscription for signatures and stuff for the filtering, debugging inspection.
Which other solutions did I evaluate?
We did not evaluate anything before we started using Cisco. We didn't evaluate other options.
What other advice do I have?
We always use two versions behind the latest version. We do not use the latest version typically.
I'd rate the solution at a six out of ten.
I wouldn't recommend the solution to other users or organizations at this time.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Commercial Manager at Natco Information technology
Excellent technical support, stable, and straightforward installation
Pros and Cons
- "The technical is excellent."
- "We are using Cisco IOS Security for endpoint security, for example, spyware, firewall, database and application protection."
What is our primary use case?
We are using Cisco IOS Security for endpoint security. For example, spyware, firewall, database and application protection.
For how long have I used the solution?
I have been using the solution for approximately 10 years.
What do I think about the stability of the solution?
The solution is stable.
What do I think about the scalability of the solution?
We have found the solution to be scalable.
We have approximately 20 customers using this solution.
How are customer service and technical support?
The technical is excellent.
How was the initial setup?
The installation is straightforward.
What about the implementation team?
We have two engineers that do the implementation and maintenance of the solution.
What's my experience with pricing, setup cost, and licensing?
The price of the solution should be cheaper, and the license is purchase annually.
What other advice do I have?
I recommend this solution to others and advise them to use the latest version.
I rate Cisco IOS Security an eight out of ten.
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Sr. Security and Enterprise Architect at a security firm with 11-50 employees
Reliable hardware, highly stable, and global technical support
Pros and Cons
- "One of the main features is that the hardware is extremely reliable."
- "The technical support has been impressive."
- "I think they should bring back remote VPN for users."
What is most valuable?
One of the main features is that the hardware is extremely reliable.
What needs improvement?
I think they should bring back remote VPN for users. However, I understand the attempt is to have these functions inside the firewalls and not the routers or the IOS devices.
What do I think about the stability of the solution?
The stability of the solution is great. I feel very confident working with them because I have a customer that has a router running for almost 10 years and in other cases more than 10 years.
How are customer service and technical support?
The technical support has been impressive. I know there are no other brands that have the same good service.
Which solution did I use previously and why did I switch?
I have been working with Palo Alto Networks and Fortinet in the past but they do not have technical assistance centers around the globe as this solution does. However, Palo Alto solutions are more intuitive, the graphic user interface is better, and has higher performance. Cisco is catching up and closing the gap with new releases.
What's my experience with pricing, setup cost, and licensing?
Palo Alto networks are more expensive than this solution and this is why you will see more products like this one in Mexico.
I have been working with the next-generation firewalls by Palo Alto and the license tends to be better. For example, Palo Alto Wildfire, the licensing is more dynamic than Cisco products.
What other advice do I have?
I rate Cisco IOS Security an eight out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Owner at it logic
Flexible, reliable, and has great performance
Pros and Cons
- "One of the valuable features of the solution is its flexibility and it performs great."
- "The configuration should be easier in the solution."
What is our primary use case?
The primary use of the solution is used for testing the core banking customer function.
What is most valuable?
One of the valuable features of the solution is its flexibility and it performs great.
What needs improvement?
The configuration should be easier in the solution.
For how long have I used the solution?
I have used the solution for approximately five years.
What do I think about the stability of the solution?
I have not had issues with the solution stability.
What do I think about the scalability of the solution?
I have approximately 450 customers database at this moment using this solution.
How are customer service and technical support?
There is technical support for the solution but it is not localized. It would be beneficial if there would be localized technical support in India.
How was the initial setup?
The installation of the solution is difficult because it requires trained CCNA engineers.
What about the implementation team?
The solutions deployment required a three-person technical team.
What's my experience with pricing, setup cost, and licensing?
It is necessary to pay for a license in order to use the solution. It is on a yearly basis and the price is high.
What other advice do I have?
I will continue using the solution because our customers demand it.
I would recommend the solution to other users.
I rate Cisco IOS Security a nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
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Updated: November 2026
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